sly

US /slaɪ/
UK /slaɪ/
"sly" picture
1.

malicieux, rusé

having or showing a cunning and deceitful nature

:
He gave a sly grin as he hid the candy.
Il eut un sourire malicieux en cachant les bonbons.
The fox was known for its sly tricks.
Le renard était connu pour ses ruses malicieuses.
2.

malicieux, complice

suggesting or characterized by a secret, knowing look or manner

:
She gave him a sly wink across the room.
Elle lui fit un clin d'œil complice à travers la pièce.
There was a sly smile on his face, suggesting he knew more than he let on.
Il y avait un sourire malicieux sur son visage, suggérant qu'il en savait plus qu'il ne le laissait paraître.